Feeding device and washing equipment

By using elastic snaps and clamping convex on the placement device, combined with the strip positioning part and the clamp slot, the problem of positioning and guiding the placement box during the pulling process is solved, and the precise positioning and smooth pulling and movement of the placement box is achieved, improving the user experience.

CN119859906APending Publication Date: 2025-04-22FOSHAN SHUNDE HAIER ELECTRIC APPLIANCES CO LTD +1
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Patent Information

Application Number
CN202311356015.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-10-19
Publication Date
2025-04-22

AI Technical Summary

Technical Problem

The existing dropping devices lack positioning and guidance during the pulling process, resulting in a single fixed position of the dropping box, which is not smooth in pulling and moving, and easily displaced.

Method used

By providing elastic snaps and clamping convex on the placement box, combined with the bar positioning part and clamp slot on the water injection box, the positioning and guidance of the placement box is realized, the distance of its pulling movement is controlled, and the pulling smoothness is improved through friction resistance.

Benefits of technology

The precise positioning and smooth pulling movement of the placement box are achieved, which improves the user's operating experience and increases the sense of pulling and pulling through damping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a feeding device and washing equipment. The throwing device comprises a water injection box and a throwing box installed in the water injection box in a drawable mode, an elastic buckle is arranged on the throwing box, a clamping protrusion protruding out of the throwing box is arranged on the elastic buckle, a strip-shaped positioning part extending in the drawing direction of the throwing box is arranged on the water injection box, and a plurality of clamping grooves are formed in the strip-shaped positioning part. The clamping protrusions are connected with the clamping grooves in the corresponding positions of the strip-shaped positioning parts in a clamped mode when sliding in place on the strip-shaped positioning parts. Through clamping connection of the clamping protrusions and the clamping grooves in the corresponding positions of the strip-shaped positioning parts, the putting box pulled in place is positioned, the pulling and moving distance of the putting box can be controlled, pulling and moving of the putting box can be guided, and then the pulling and moving smoothness of the putting box is improved; friction resistance is generated by the clamping protrusions and the clamping grooves in the pulling and moving process of the putting box, the pulling and moving of the putting box can be hindered by the friction resistance, the pulling and moving of the putting box can be damped, and then the blocking feeling of pulling the putting box by a user is improved.
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Description

Technical Field

[0001] The invention belongs to the technical field of household appliances, and in particular relates to a dispensing device and a washing device. Background Art

[0002] As consumers' quality of life improves, washing machines, dryers, integrated washing and drying machines, dishwashers and other processing equipment have become indispensable to people's lives. As an important component of processing equipment such as washing machines, dryers, integrated washing and drying machines, dishwashers, etc., the delivery device is used to deliver additives such as detergents, softeners, fragrances, disinfectants, etc. into the processing equipment, so as to use the delivered additives to treat the clothes in the processing equipment accordingly during the working process of the processing equipment.

[0003] The existing dispensing device generally includes a water injection box installed on the processing equipment and a dispensing box that can be pulled out and installed in the water injection box. The dispensing box contains additives such as washing powder, laundry liquid, disinfectant, softener, etc. to be dispensed, so that the water flow flowing through the water injection box can flush the above-mentioned additives into the processing equipment together, thereby achieving washing, rinsing and other treatments for the clothes contained in the processing equipment.

[0004] The existing pull-out method for installing the delivery box has the following problems: lack of positioning of the delivery box, making it impossible to control the distance of the delivery box being pulled out, resulting in a single fixed position of the delivery box; lack of guidance for the pull-out movement of the delivery box, making it easy for the delivery box to deviate during the pull-out process, etc.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a delivery device and a washing device. By engaging the card convex with the card slot at the corresponding position on the strip positioning part, the delivery box that has been pulled out and into place can be positioned, so as to control the distance of the delivery box to be pulled out and moved, and guide the pulling and moving of the delivery box, thereby improving the smoothness of the pulling and moving of the delivery box, and because the card convex and the strip positioning part generate friction resistance during the pulling and moving of the delivery box, the friction resistance will hinder the pulling and moving of the delivery box, so as to achieve the purpose of having a damping effect on the pulling and moving of the delivery box, and improving the user's sense of resistance when pulling and moving the delivery box.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0008] The present invention provides a delivery device, comprising a water filling box and a delivery box which is drawable and installed in the water filling box, wherein the delivery box is provided with an elastic buckle, the elastic buckle is provided with a clamping protrusion which protrudes out of the delivery box, the water filling box is provided with a strip positioning part which extends along the drawing direction of the delivery box, a plurality of clamping grooves are arranged on the strip positioning part, and when the clamping protrusion slides into place on the strip positioning part, it is clamped with the clamping groove at the corresponding position on the strip positioning part.

[0009] Furthermore, the elastic buckle is a flat spring sheet, the spring sheet is in a groove shape, a depression is formed at the bottom of the groove of the groove-shaped spring sheet, and the depression constitutes a clamping protrusion.

[0010] Furthermore, the spring sheet is in the shape of a V-shaped groove, and the latch includes two first latching portions extending from the top to the bottom of the spring sheet and gradually obliquely extending into the groove of the spring sheet, and a second latching portion arranged between the two first latching portions and connecting the bottoms of the two first latching portions.

[0011] Furthermore, the first clamping portion and the second clamping portion are arc-shaped respectively, the two first clamping portions are symmetrically arranged with the second clamping portion as the center, the first clamping portion protrudes into the groove of the spring sheet, and the second clamping portion protrudes out of the groove of the spring sheet.

[0012] Furthermore, a first abutment portion is provided on the top of each first clamping portion, which extends from the top to the bottom of the spring sheet and gradually extends obliquely into the groove of the spring sheet;

[0013] Preferably, the two first abutting portions are symmetrically arranged with the second clamping portion as the center.

[0014] Furthermore, the top of each first abutment portion is bent toward the bottom of the spring sheet to form a second abutment portion, and the second abutment portion extends from the top to the bottom of the spring sheet and gradually extends obliquely toward the outside of the groove of the spring sheet;

[0015] Preferably, the two second abutting portions are symmetrically arranged with the second clamping portion as the center, and the first abutting portion and the second abutting portion are respectively in a straight line shape.

[0016] Furthermore, a square assembly groove is provided on the outer wall of the delivery box, the spring sheet is embedded in the assembly groove, the clamping protrusion protrudes out of the delivery box through the notch of the assembly groove, the first abutting portion is used to abut against the groove bottom wall of the assembly groove, and the two second abutting portions are respectively used to abut against the groove side walls on both sides of the groove bottom wall of the assembly groove;

[0017] Preferably, a baffle is provided on the assembly groove to cover the middle part of the notch of the assembly groove, and a connecting port connected to the assembly groove is provided in the middle part of the baffle. The spring sheet is embedded in the assembly groove through the connecting port, and the latch protrudes out of the delivery box through the connecting port. The two first abutting portions can respectively abut against the baffle.

[0018] Furthermore, the strip-shaped positioning portion includes a plurality of convex ribs provided on the inner wall of the water filling box, the plurality of convex ribs are arranged at intervals, and a slot is formed between two adjacent convex ribs and the inner wall of the water filling box.

[0019] Furthermore, one side of the first clamping portion outside the spring sheet slot can be fitted and abutted against one side of the convex rib inside the clamping slot, and one side of the second clamping portion outside the spring sheet slot can be abutted against the free end of the convex rib in the protruding direction;

[0020] Preferably, the convex rib is a columnar structure, the axis of the convex rib is perpendicular to the convex extension direction of the convex rib, the radial cross-section of the convex rib is a major arc shape, and one side of the convex rib corresponding to the major arc bottom surface is in contact with the inner wall of the water injection box.

[0021] The present invention provides a washing device, comprising the placing device provided by the above technical solution.

[0022] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0023] By engaging the latching protrusion with the latching slot at the corresponding position on the strip-shaped positioning portion, the delivery box that has been pulled out into place can be positioned, the pulling-out distance of the delivery box can be controlled, and the pulling-out movement of the delivery box can be guided, thereby improving the smoothness of the pulling-out movement of the delivery box. In addition, the friction resistance generated by the latching protrusion and the latching slot during the pulling-out movement of the delivery box will hinder the pulling-out movement of the delivery box, which has a damping effect on the pulling-out movement of the delivery box, thereby improving the user's sense of resistance when pulling out the delivery box.

[0024] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0026] Figure 1 is a schematic diagram of the structure of a delivery device provided by an embodiment of the present invention;

[0027] Figure 2 is a structural schematic diagram of a spring sheet provided by an embodiment of the present invention in a first state;

[0028] Figure 3 is a schematic structural diagram of a spring sheet provided by an embodiment of the present invention in a second state;

[0029] Figure 4is a schematic structural diagram of a spring sheet provided by an embodiment of the present invention;

[0030] Figure 5 is a schematic diagram of the structure of a delivery box provided by an embodiment of the present invention;

[0031] Figure 6 is a partial schematic diagram of a delivery box provided by an embodiment of the present invention;

[0032] Figure 7 It is a structural schematic diagram of a water injection box provided by an embodiment of the present invention;

[0033] Figure 8 It is a schematic diagram of the structure of the strip-shaped positioning portion provided in an embodiment of the present invention.

[0034] Icons: 1-water filling box; 11-strip positioning part; 111-card slot; 12-convex rib; 13-upper cover; 14-box body; 141-first bottom wall; 142-first inclined side wall; 2-dispensing box; 21-elastic buckle; 211-spring sheet; 2111-card convex; 2111a-first clamping part; 2111b-second clamping part; 2112-first abutting part; 2113-second abutting part; 22-assembly groove; 23-baffle; 231-communication port; 24-second bottom wall; 25-second inclined side wall; 3-stop structure; 31-first stop rib; 32-second stop rib.

[0035] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0037] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] like Figure 1-8 As shown, the present invention provides a delivery device, including a water filling box and a delivery box 2 that can be pulled out of the water filling box, the delivery box 2 is provided with an elastic buckle 21, the elastic buckle 21 is provided with a clamping protrusion 2111 that protrudes out of the delivery box 2, the water filling box 1 is provided with a strip positioning portion 11 extending along the pulling direction of the delivery box 2, the strip positioning portion 11 is arranged with a plurality of clamping grooves 111, and the clamping protrusion 2111 is clamped with the clamping groove 111 at the corresponding position of the strip positioning portion 11 when sliding into place on the strip positioning portion 11.

[0040] In the embodiment of the present invention, the positioning of the delivery box 2 pulled into place is achieved by engaging the locking protrusion 2111 with the locking groove 111 at the corresponding position on the strip-shaped positioning portion 11, and the pulling distance of the delivery box 2 can be controlled, and the pulling movement of the delivery box 2 can be guided, thereby improving the smoothness of the pulling movement of the delivery box 2. In addition, the friction resistance generated by the locking protrusion 2111 and the locking groove 111 during the pulling movement of the delivery box 2 will hinder the pulling movement of the delivery box 2, and have a damping effect on the pulling movement of the delivery box 2, thereby improving the user's sense of resistance when pulling the delivery box 2.

[0041] The feeding device is used for a washing device, which can be a washing machine or a dishwasher. When the washing device is a washing machine, especially a drum washing machine, the drum washing machine comprises a housing, an outer drum and an inner drum rotatably arranged in the outer drum. During washing, the outer drum is a water-containing drum, or the inner drum is a non-porous drum and the inner drum is a water-containing drum.

[0042] The delivery device is arranged outside the casing as an external delivery of the drum washing machine, or the delivery device is arranged inside the casing as a built-in delivery of the drum washing machine. When the delivery device is arranged outside the casing, the delivery port of the delivery device is connected to the outer drum or the inner drum through a pipeline running through the casing; when the delivery device is arranged inside the casing, the delivery port of the delivery device is connected to the outer drum or the inner drum through a pipeline inside the casing.

[0043] When the dispensing device is dispensed, the water flow from the water inlet pipe of the drum washing machine flows into the water injection box, and the water flowing through the water injection box is injected into the water drum through the water outlet to soak and wash the load contained in the water drum. At the same time, a drawable dispensing box 2 is installed on the water injection box, and the dispensing box 2 has a dispensing cavity for dispensing laundry treatment agents such as washing powder, detergent, fragrance enhancer, disinfectant, etc. At least part of the water flow of the drum washing machine flowing through the water injection box flows through the dispensing cavity, so that the laundry treatment agent in the dispensing cavity is flushed into the water drum along with the water flow.

[0044] The water filling box includes a box body 14 and an upper cover 13. The box body 14 is square, and an upper opening is provided on the top side of the box body 14 and a front opening is provided on the front side of the box body 14. The upper cover 13 opens and closes the upper opening, and the delivery box 2 can be pulled out and installed in the water filling box through the front opening.

[0045] The delivery box 2 is pulled out along the front-to-back direction in the water filling box. Specifically, the box body 14 has a first bottom wall 141 and a first inclined side wall 142 formed by bending the right side of the first bottom wall 141 upward. The first bottom wall 141 extends straightly along the front-to-back direction, and the first inclined side wall 142 gradually extends obliquely into the box body 14 from top to bottom. The first bottom wall 141 is provided with a water outlet connected to the water storage cylinder, and the strip positioning portion 11 is provided on the first inclined side wall 142; the upper cover 13 includes a second bottom wall 24 parallel to the first bottom wall 141 and a second inclined side wall 25 parallel to the first inclined side wall 142, and the elastic buckle 21 is provided on the second inclined side wall 25. The first inclined side wall 142 and the second inclined side wall 25 can reduce the residual liquid in the box.

[0046] In the embodiment of the present invention, the elastic buckle 21 is a flat spring piece 211 , and the spring piece 211 is in a groove shape. A depression is formed at the bottom of the groove of the groove-shaped spring piece 211 , and the depression constitutes a locking protrusion 2111 .

[0047] In the embodiment of the present invention, the spring sheet 211 can produce elastic deformation, and the engagement and disengagement between the latching protrusion 2111 and the spring sheet 211 can be achieved through the elastic deformation of the spring sheet 211. The depression of the groove-shaped spring sheet 211 itself serves as the latching protrusion 2111 that is engaged with the latching groove 111 on the strip-shaped positioning portion 11, thereby achieving the integral molding of the latching protrusion 2111 and the spring sheet 211.

[0048] like Figure 1-4 As shown, further, the spring sheet 211 is in the shape of a V-shaped groove, and the latch 2111 includes two first latching portions 2111a extending from the top to the bottom of the spring sheet 211 and gradually obliquely extending into the groove of the spring sheet 211, and a second latching portion 2111b arranged between the two first latching portions 2111a and connecting the bottoms of the two first latching portions 2111a.

[0049] The spring piece 211 is in the shape of a V-shaped groove, so that the spring piece 211 arranged on the delivery box 2 includes a front groove side wall, a rear groove side wall and a groove bottom wall connecting the bottom of the front groove side wall and the bottom of the rear groove side wall; it can be understood that the first first clamping portion 2111a is a part of the front groove side wall, located at the bottom of the front groove side wall, the second first clamping portion 2111a is a part of the rear groove side wall, located at the bottom of the rear groove side wall, and the second clamping portion 2111b is the groove bottom wall, that is, the entire clamping protrusion 2111 is V-shaped.

[0050] Specifically, the first clamping portion 2111a and the second clamping portion 2111b are arc-shaped respectively. The two first clamping portions 2111a are symmetrically arranged with the second clamping portion 2111b as the center. The first clamping portion 2111a protrudes into the groove of the spring piece 211, and the second clamping portion 2111b protrudes out of the groove of the spring piece 211.

[0051] In addition, a first abutment portion 2112 is provided at the top of each first clamping portion 2111a and extends from the top to the bottom of the spring sheet 211 and gradually extends obliquely into the groove of the spring sheet 211; preferably, the two first abutment portions 2112 are symmetrically arranged with the second clamping portion 2111b as the center.

[0052] Furthermore, the top of each first abutment portion 2112 is bent toward the bottom of the spring sheet 211 to form a second abutment portion 2113, and the second abutment portion 2113 extends from the top to the bottom of the spring sheet 211 and gradually extends obliquely toward the outside of the groove of the spring sheet 211; preferably, the two second abutment portions 2113 are symmetrically arranged with the second clamping portion 2111b as the center, and the first abutment portion 2112 and the second abutment portion 2113 are respectively in a straight line shape.

[0053] like Figure 2 , 3 , 5 and 6, in the embodiment of the present invention, a square assembly groove 22 is provided on the outer wall of the delivery box 2, the spring sheet 211 is embedded in the assembly groove 22, the latch 2111 protrudes to the outside of the delivery box 2 through the notch of the assembly groove 22, the first abutment portion 2112 is used to abut against the bottom wall of the assembly groove 22, and the two second abutment portions 2113 are respectively used to abut against the side walls of the groove on both sides of the bottom wall of the assembly groove 22.

[0054] In the embodiment of the present invention, Figure 2 As shown, when the spring sheet 211 is in the first state, the protrusion 2111 of the spring sheet 211 is engaged with the corresponding groove 111 on the strip-shaped positioning portion 11. Figure 3 As shown, when the spring piece 211 is in the second state, the locking protrusion 2111 of the spring piece 211 is released from the locking groove 111 at the corresponding position on the strip-shaped positioning portion 11;

[0055] When the spring piece 211 is in the first state, the spring piece 211 is retracted in the front-to-back direction, the locking protrusion 2111 is engaged with the corresponding locking groove 111 on the strip-shaped positioning portion 11, and the upper portion of the first abutting portion 2112 is abutted with the bottom wall of the groove of the assembly groove 22, so that the locking protrusion 2111 and the locking groove 111 of the strip-shaped positioning portion 11 can be locked, and the second abutting portion 2113 is separated from the side wall of the assembly groove 22;

[0056] When the spring piece 211 is in the second state, the spring piece 211 is unfolded in the front-to-back direction, the locking protrusion 2111 is released from the locking groove 111 on the strip-shaped positioning portion 11, the upper portion of the first abutting portion 2112 abuts against the groove bottom wall of the assembly groove 22, and the two second abutting portions 2113 abut against the front side wall and the rear side wall of the assembly groove 22 respectively, so that the locking protrusion 2111 and the locking groove 111 of the strip-shaped positioning portion 11 can be maintained in the released position to prevent the delivery box 2 from being offset when being pulled out;

[0057] Furthermore, a baffle 23 is provided on the assembly groove 22 to cover the middle part of the notch of the assembly groove 22, and a connecting port 231 connected to the assembly groove 22 is provided in the middle part of the baffle 23. The spring sheet 211 is embedded in the assembly groove 22 through the connecting port 231, and the latch 2111 protrudes to the outside of the delivery box 2 through the connecting port 231. The two first abutting portions 2112 can abut against the baffle 23 respectively.

[0058] The baffle 23 is used to block the spring piece 211 embedded in the assembly groove 22 to prevent the spring piece 211 from being separated from the assembly groove 22 during the process of pulling and moving the delivery box 2, so that the locking protrusion 2111 cannot be locked with the locking groove 111 on the strip positioning portion 11;

[0059] The baffle plate 23 is provided with a communication port 231, and the communication port 231 divides the baffle plate 23 into a front baffle portion and a rear baffle portion. The front baffle portion is used to block the first first abutting portion 2112, and the rear baffle portion is used to block the second first abutting portion 2112.

[0060] When the spring sheet 211 is in the first state, the first first abutting portion 2112 abuts against the front stop portion of the baffle 23, and the second first abutting portion 2112 abuts against the rear stop portion of the baffle 23, so that the clamping protrusion 2111 and the clamping slot 111 are clamped tightly.

[0061] When the spring piece 211 is in the second state, the two first abutting portions 2112 are separated from the baffle 23 .

[0062] like Figure 7 and Figure 8 As shown, in the embodiment of the present invention, the strip-shaped positioning portion 11 includes a plurality of ribs 12 provided on the inner wall of the water filling box 1 , the plurality of ribs 12 are arranged at intervals, and a slot 111 is formed between two adjacent ribs 12 and the inner wall of the water filling box 1 .

[0063] In an embodiment of the present invention, a plurality of card slots 111 enable the card protrusion 2111 to have several fixed positions. When the card protrusion 2111 reaches one of the fixed positions, the card protrusion 2111 engages with the card slot 111 at the corresponding position to achieve limited fixation of the delivery box 2, thereby achieving control of the distance that the delivery box 2 is pulled out and moved, making the distance that the delivery box 2 is pulled out diversified and improving the user experience.

[0064] Furthermore, the first clamping portion 2111a can be fitted and abutted against one side of the rib 12 in the clamping slot 111 on one side outside the spring sheet 211 slot, and the second clamping portion 2111b can be abutted against the free end of the rib 12 in the protruding direction on one side outside the spring sheet 211 slot.

[0065] In the embodiment of the present invention, when the spring sheet 211 is in the first state, the locking protrusion 2111 is locked with the locking slot 111. At this time, the locking protrusion 2111 is retracted as the spring sheet 211 is retracted. Specifically, the first locking portion 2111a and the second locking portion 2111b are locked into the locking slot 111. The first first locking portion 2111a abuts against one side of the front rib 12 in the locking slot 111, and the second first locking portion 2111a abuts against one side of the rear rib 12 in the locking slot 111. The second locking portion 2111b has a spacing with the bottom of the slot 11.

[0066] When the spring sheet 211 is in the second state, the engagement between the protrusion 2111 and the slot 111 is released. At this time, the protrusion 2111 expands along with the spring sheet 211. Specifically, the protrusion 2111 is separated from the slot 111, and the bottom of the second engaging portion 2111b abuts against the top of the next rib 12.

[0067] For example, if there are two card slots 111, the two card slots 111 are respectively a front card slot and a rear card slot, then there are three convex ribs 12, the three convex ribs 12 are respectively a front convex rib 12, a middle convex rib 12 and a rear convex rib 12; the front convex rib 12 and the middle convex rib 12 are components of the front card slot, and the middle convex rib 12 and the rear convex rib 12 are components of the rear card slot;

[0068] The spring sheet 211 is retracted, and the clamping protrusion 2111 is clamped into the front clamping slot. The first first clamping portion 2111a is fitted and abutted against one side of the front convex rib 12, and the second first clamping portion 2111a is fitted and abutted against one side of the middle convex rib 12. The second clamping portion 2111b is suspended in the front clamping slot. The delivery box 2 is pulled out, and one side of the middle convex rib 12 guides the second first clamping portion 2111a, so that the clamping protrusion 2111 is pressed against one side of the middle convex rib 12 in the front clamping slot to detach from the front clamping slot. The clamping protrusion 2111 rises to the top of the middle convex rib 12, and the second clamping portion 2111b is pressed against the top of the middle convex rib 12, so that the clamping protrusion 2111 and the clamping slot are released from the clamping protrusion 2111.

[0069] When the latching protrusion 2111 is inserted into the rear slot, the delivery box 2 is pulled out, and the latching protrusion 2111 presses against one side of the middle convex rib 12 in the slot and enters the rear slot. The first first latching portion 2111a abuts against one side of the middle convex rib 12, and the second second latching portion 2111b abuts against one side of the rear convex rib 12. The second latching portion 2111b is suspended in the rear slot, thereby realizing the latching connection between the latching protrusion 2111 and the rear slot.

[0070] Furthermore, the convex rib 12 is a columnar structure, the axis of the convex rib 12 is perpendicular to the convex extension direction of the convex rib 12, the radial cross-section of the convex rib 12 is a major arc shape, and one side of the convex rib 12 corresponding to the major arc bottom surface is in contact with the inner wall of the water injection box.

[0071] The first clamping portion 2111a and the second clamping portion 2111b are respectively arc-shaped, and the radial cross-section of the convex rib 12 is a major arc, so that the first clamping portion 2111a has a good fit when it is in contact with one side of the convex rib 12, thereby improving the strength of the connection between the clamping protrusion 2111 and the slot 111; and, the convex rib 12 can guide the second clamping portion 2111b, thereby allowing the second clamping portion 2111b to enter the slot 111 from the top of the convex rib 12 more accurately and easily.

[0072] In addition, a plurality of convex ribs 12 form a positioning area, and a stop structure 3 is provided at the front and rear ends of the positioning area. Specifically, the stop structure 3 includes a first stop rib 31 and a second stop rib 32 formed by the first inclined side wall 142 of the delivery box 2 protruding into the delivery box 2. The first stop rib 31 is provided at the rear end of the positioning area, and the second stop rib 32 is provided at the front end of the positioning area. The two stop ribs are used to stop the delivery box 2 to prevent the delivery box 2 from being excessively pulled backward and pushed forward.

[0073] The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation scheme in the above embodiment can also be further combined or replaced. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the solution of the present invention.

Claims

1. A delivery device, comprising a water filling box and a delivery box removably installed in the water filling box, characterized in that: The delivery box is provided with an elastic buckle, and the elastic buckle is provided with a clamping protrusion protruding out of the delivery box. The water filling box is provided with a strip positioning part extending along the pulling direction of the delivery box, and a plurality of clamping grooves are arranged on the strip positioning part. When the clamping protrusion slides into place on the strip positioning part, it is clamped with the clamping groove at the corresponding position on the strip positioning part.

2. The delivery device according to claim 1, characterized in that: The elastic buckle is a flat spring sheet, which is in a groove shape. A depression is formed at the bottom of the groove of the spring sheet, and the depression constitutes a clamping convexity.

3. The delivery device according to claim 2, characterized in that: The spring sheet is in a V-shaped groove shape, and the clamping protrusion includes two first clamping parts extending from the top to the bottom of the spring sheet and gradually extending obliquely into the groove of the spring sheet, and a second clamping part arranged between the two first clamping parts and connecting the bottoms of the two first clamping parts.

4. The delivery device according to claim 3, characterized in that: The first clamping portion and the second clamping portion are arc-shaped respectively. The two first clamping portions are symmetrically arranged with the second clamping portion as the center. The first clamping portion protrudes into the groove of the spring sheet, and the second clamping portion protrudes out of the groove of the spring sheet.

5. The delivery device according to claim 4, characterized in that: The top of each first clamping portion is provided with a first abutting portion extending from the top to the bottom of the spring sheet and gradually inclined into the groove of the spring sheet; Preferably, the two first abutting portions are symmetrically arranged with the second clamping portion as the center.

6. The delivery device according to claim 5, characterized in that: The top of each first abutment portion is bent toward the bottom of the spring sheet to form a second abutment portion, and the second abutment portion extends from the top to the bottom of the spring sheet and gradually extends out of the groove of the spring sheet. Preferably, the two second abutting portions are symmetrically arranged with the second clamping portion as the center, and the first abutting portion and the second abutting portion are respectively in a straight line shape.

7. The delivery device according to claim 6, characterized in that: A square assembly groove is provided on the outer wall of the delivery box, a spring sheet is embedded in the assembly groove, the clamping protrusion protrudes out of the delivery box through the notch of the assembly groove, the first abutting portion is used to abut against the groove bottom wall of the assembly groove, and the two second abutting portions are used to abut against the groove side walls on both sides of the groove bottom wall of the assembly groove; Preferably, a baffle is provided on the assembly groove to cover the middle part of the notch of the assembly groove, and a connecting port connected to the assembly groove is provided in the middle part of the baffle. The spring sheet is embedded in the assembly groove through the connecting port, and the latch protrudes out of the delivery box through the connecting port. The two first abutting portions can respectively abut against the baffle.

8. The delivery device according to any one of claims 1 to 7, characterized in that: The strip-shaped positioning part comprises a plurality of convex ribs arranged on the inner wall of the water filling box, the plurality of convex ribs are arranged at intervals, and a clamping groove is formed between two adjacent convex ribs and the inner wall of the water filling box.

9. The delivery device according to claim 8, characterized in that: The first clamping portion may be fitted and abutted against one side of the convex rib in the clamping slot on one side outside the spring sheet slot, and the second clamping portion may be abutted against the free end of the convex rib in the extending direction on one side outside the spring sheet slot; Preferably, the convex rib is a columnar structure, the axis of the convex rib is perpendicular to the convex extension direction of the convex rib, the radial cross-section of the convex rib is a major arc shape, and one side of the convex rib corresponding to the major arc bottom surface is in contact with the inner wall of the water injection box.

10. A washing device, characterized in that: Comprising the delivery device according to any one of claims 1 to 9.